9. A brooch is m ade with silver wire in the form of acircle with diam – InterviewSolution

1.	9. A brooch is m ade with silver wire in the form of acircle with diameter 35 mm. The wire is also used inmaking 5 diam eters which divide the circle into 10equal sectors as shown in Fig. 12.12. Find:(i) the total length ofthe silver wire required.(ii) the area of cach sector of the brooch.Fig. 12.12
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